src/base/net/proxyconfigurationmanager.cpp

   1 /*
   2  * Bittorrent Client using Qt and libtorrent.
   3  * Copyright (C) 2016  Vladimir Golovnev <glassez@yandex.ru>
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; either version 2
   8  * of the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18  *
  19  * In addition, as a special exception, the copyright holders give permission to
  20  * link this program with the OpenSSL project's "OpenSSL" library (or with
  21  * modified versions of it that use the same license as the "OpenSSL" library),
  22  * and distribute the linked executables. You must obey the GNU General Public
  23  * License in all respects for all of the code used other than "OpenSSL".  If you
  24  * modify file(s), you may extend this exception to your version of the file(s),
  25  * but you are not obligated to do so. If you do not wish to do so, delete this
  26  * exception statement from your version.
  27  */
  28
  29 #include "proxyconfigurationmanager.h"
  30
  31 #define SETTINGS_KEY(name) ("Network/Proxy/" name)
  32
  33 bool Net::operator==(const ProxyConfiguration &left, const ProxyConfiguration &right)
  34 {
  35     return (left.type == right.type)
  36             && (left.ip == right.ip)
  37             && (left.port == right.port)
  38             && (left.username == right.username)
  39             && (left.password == right.password);
  40 }
  41
  42 bool Net::operator!=(const ProxyConfiguration &left, const ProxyConfiguration &right)
  43 {
  44     return !(left == right);
  45 }
  46
  47 using namespace Net;
  48
  49 ProxyConfigurationManager *ProxyConfigurationManager::m_instance = nullptr;
  50
  51 ProxyConfigurationManager::ProxyConfigurationManager(QObject *parent)
  52     : QObject {parent}
  53     , m_storeProxyOnlyForTorrents {SETTINGS_KEY("OnlyForTorrents")}
  54     , m_storeProxyType {SETTINGS_KEY("Type")}
  55     , m_storeProxyIP {SETTINGS_KEY("IP")}
  56     , m_storeProxyPort {SETTINGS_KEY("Port")}
  57     , m_storeProxyUsername {SETTINGS_KEY("Username")}
  58     , m_storeProxyPassword {SETTINGS_KEY("Password")}
  59 {
  60     m_config.type = m_storeProxyType.get(ProxyType::None);
  61     if ((m_config.type < ProxyType::None) || (m_config.type > ProxyType::SOCKS4))
  62         m_config.type = ProxyType::None;
  63     m_config.ip = m_storeProxyIP.get(QLatin1String("0.0.0.0"));
  64     m_config.port = m_storeProxyPort.get(8080);
  65     m_config.username = m_storeProxyUsername;
  66     m_config.password = m_storeProxyPassword;
  67     configureProxy();
  68 }
  69
  70 void ProxyConfigurationManager::initInstance()
  71 {
  72     if (!m_instance)
  73         m_instance = new ProxyConfigurationManager;
  74 }
  75
  76 void ProxyConfigurationManager::freeInstance()
  77 {
  78     delete m_instance;
  79     m_instance = nullptr;
  80 }
  81
  82 ProxyConfigurationManager *ProxyConfigurationManager::instance()
  83 {
  84     return m_instance;
  85 }
  86
  87 ProxyConfiguration ProxyConfigurationManager::proxyConfiguration() const
  88 {
  89     return m_config;
  90 }
  91
  92 void ProxyConfigurationManager::setProxyConfiguration(const ProxyConfiguration &config)
  93 {
  94     if (m_config != config)
  95     {
  96         m_config = config;
  97         m_storeProxyType = config.type;
  98         m_storeProxyIP = config.ip;
  99         m_storeProxyPort = config.port;
 100         m_storeProxyUsername = config.username;
 101         m_storeProxyPassword = config.password;
 102         configureProxy();
 103
 104         emit proxyConfigurationChanged();
 105     }
 106 }
 107
 108 bool ProxyConfigurationManager::isProxyOnlyForTorrents() const
 109 {
 110     return m_storeProxyOnlyForTorrents || (m_config.type == ProxyType::SOCKS4);
 111 }
 112
 113 void ProxyConfigurationManager::setProxyOnlyForTorrents(const bool onlyForTorrents)
 114 {
 115     m_storeProxyOnlyForTorrents = onlyForTorrents;
 116 }
 117
 118 bool ProxyConfigurationManager::isAuthenticationRequired() const
 119 {
 120     return m_config.type == ProxyType::SOCKS5_PW
 121             || m_config.type == ProxyType::HTTP_PW;
 122 }
 123
 124 void ProxyConfigurationManager::configureProxy()
 125 {
 126     // Define environment variables for urllib in search engine plugins
 127     QString proxyStrHTTP, proxyStrSOCK;
 128     if (!isProxyOnlyForTorrents())
 129     {
 130         switch (m_config.type)
 131         {
 132         case ProxyType::HTTP_PW:
 133             proxyStrHTTP = QString::fromLatin1("http://%1:%2@%3:%4").arg(m_config.username
 134                 , m_config.password, m_config.ip, QString::number(m_config.port));
 135             break;
 136         case ProxyType::HTTP:
 137             proxyStrHTTP = QString::fromLatin1("http://%1:%2").arg(m_config.ip, QString::number(m_config.port));
 138             break;
 139         case ProxyType::SOCKS5:
 140             proxyStrSOCK = QString::fromLatin1("%1:%2").arg(m_config.ip, QString::number(m_config.port));
 141             break;
 142         case ProxyType::SOCKS5_PW:
 143             proxyStrSOCK = QString::fromLatin1("%1:%2@%3:%4").arg(m_config.username
 144                 , m_config.password, m_config.ip, QString::number(m_config.port));
 145             break;
 146         default:
 147             qDebug("Disabling HTTP communications proxy");
 148         }
 149
 150         qDebug("HTTP communications proxy string: %s"
 151                , qUtf8Printable((m_config.type == ProxyType::SOCKS5) || (m_config.type == ProxyType::SOCKS5_PW)
 152                             ? proxyStrSOCK : proxyStrHTTP));
 153     }
 154
 155     qputenv("http_proxy", proxyStrHTTP.toLocal8Bit());
 156     qputenv("https_proxy", proxyStrHTTP.toLocal8Bit());
 157     qputenv("sock_proxy", proxyStrSOCK.toLocal8Bit());
 158 }